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<div class="title">common.cpp</div>  </div>
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<a href="common_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * This confidential and proprietary software may be used only as</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * authorised by a licensing agreement from ARM Limited</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> *   (C) COPYRIGHT 2013 ARM Limited</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *       ALL RIGHTS RESERVED</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * The entire notice above must be reproduced on all authorised</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * copies and copies may only be made to the extent permitted</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> * by a licensing agreement from ARM Limited.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;</div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="common_8h.html" title="Functions to simplify the use of OpenCL API.">common.h</a>&quot;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &lt;sstream&gt;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &lt;fstream&gt;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="keyword">using namespace </span>std;</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;</div>
<div class="line"><a name="l00018"></a><span class="lineno"><a class="code" href="common_8h.html#a33ff0013574626bb47147495e02b5d08">   18</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="common_8cpp.html#a33ff0013574626bb47147495e02b5d08" title="Print the profiling information associated with an OpenCL event.">printProfilingInfo</a>(cl_event event)</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;{</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;    cl_ulong queuedTime = 0;</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;    <span class="keywordflow">if</span> (!<a class="code" href="common_8cpp.html#a73727ed6f5d821d8c97756404e145644" title="Check an OpenCL error number for errors.">checkSuccess</a>(clGetEventProfilingInfo(event, CL_PROFILING_COMMAND_QUEUED, <span class="keyword">sizeof</span>(cl_ulong), &amp;queuedTime, NULL)))</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;    {</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;        cerr &lt;&lt; <span class="stringliteral">&quot;Retrieving CL_PROFILING_COMMAND_QUEUED OpenCL profiling information failed. &quot;</span> &lt;&lt; __FILE__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span>&lt;&lt; __LINE__ &lt;&lt; endl;</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;    }</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;    cl_ulong submittedTime = 0;</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;    <span class="keywordflow">if</span> (!<a class="code" href="common_8cpp.html#a73727ed6f5d821d8c97756404e145644" title="Check an OpenCL error number for errors.">checkSuccess</a>(clGetEventProfilingInfo(event, CL_PROFILING_COMMAND_SUBMIT, <span class="keyword">sizeof</span>(cl_ulong), &amp;submittedTime, NULL)))</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;    {</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;        cerr &lt;&lt; <span class="stringliteral">&quot;Retrieving CL_PROFILING_COMMAND_SUBMIT OpenCL profiling information failed. &quot;</span> &lt;&lt; __FILE__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span>&lt;&lt; __LINE__ &lt;&lt; endl;</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    }</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;    cl_ulong startTime = 0;</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    <span class="keywordflow">if</span> (!<a class="code" href="common_8cpp.html#a73727ed6f5d821d8c97756404e145644" title="Check an OpenCL error number for errors.">checkSuccess</a>(clGetEventProfilingInfo(event, CL_PROFILING_COMMAND_START, <span class="keyword">sizeof</span>(cl_ulong), &amp;startTime, NULL)))</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;    {</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;        cerr &lt;&lt; <span class="stringliteral">&quot;Retrieving CL_PROFILING_COMMAND_START OpenCL profiling information failed. &quot;</span> &lt;&lt; __FILE__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span>&lt;&lt; __LINE__ &lt;&lt; endl;</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    }</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    cl_ulong endTime = 0;</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    <span class="keywordflow">if</span> (!<a class="code" href="common_8cpp.html#a73727ed6f5d821d8c97756404e145644" title="Check an OpenCL error number for errors.">checkSuccess</a>(clGetEventProfilingInfo(event, CL_PROFILING_COMMAND_END, <span class="keyword">sizeof</span>(cl_ulong), &amp;endTime, NULL)))</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    {</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;        cerr &lt;&lt; <span class="stringliteral">&quot;Retrieving CL_PROFILING_COMMAND_END OpenCL profiling information failed. &quot;</span> &lt;&lt; __FILE__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span>&lt;&lt; __LINE__ &lt;&lt; endl;</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    }</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    cout &lt;&lt; <span class="stringliteral">&quot;Profiling information:\n&quot;</span>;</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    <span class="comment">/* OpenCL returns times in nano seconds. Print out the times in milliseconds (divide by a million). */</span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    cout &lt;&lt; <span class="stringliteral">&quot;Queued time: \t&quot;</span> &lt;&lt; (submittedTime - queuedTime) / 1000000.0 &lt;&lt; <span class="stringliteral">&quot;ms\n&quot;</span>;</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    cout &lt;&lt; <span class="stringliteral">&quot;Wait time: \t&quot;</span> &lt;&lt; (startTime - submittedTime) / 1000000.0 &lt;&lt; <span class="stringliteral">&quot;ms\n&quot;</span>;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    cout &lt;&lt; <span class="stringliteral">&quot;Run time: \t&quot;</span> &lt;&lt; (endTime - startTime) / 1000000.0 &lt;&lt; <span class="stringliteral">&quot;ms&quot;</span> &lt;&lt; endl;</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;}</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div>
<div class="line"><a name="l00057"></a><span class="lineno"><a class="code" href="common_8h.html#a736045ae74d9ed8d35cacce59b92772a">   57</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="common_8cpp.html#a736045ae74d9ed8d35cacce59b92772a" title="Print a list of the 2D OpenCL image formats supported.">printSupported2DImageFormats</a>(cl_context context)</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;{</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    <span class="comment">/* Get the number of supported image formats in order to allocate the correct amount of memory. */</span></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    cl_uint numberOfImageFormats;</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    <span class="keywordflow">if</span> (!<a class="code" href="common_8cpp.html#a73727ed6f5d821d8c97756404e145644" title="Check an OpenCL error number for errors.">checkSuccess</a>(clGetSupportedImageFormats(context, 0, CL_MEM_OBJECT_IMAGE2D, 0, NULL, &amp;numberOfImageFormats)))</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    {</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;        cerr &lt;&lt; <span class="stringliteral">&quot;Getting the number of supported 2D image formats failed. &quot;</span> &lt;&lt; __FILE__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span>&lt;&lt; __LINE__ &lt;&lt; endl;</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    }</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    <span class="comment">/* Get the list of supported image formats. */</span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    cl_image_format* imageFormats = <span class="keyword">new</span> cl_image_format[numberOfImageFormats];</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    <span class="keywordflow">if</span> (!<a class="code" href="common_8cpp.html#a73727ed6f5d821d8c97756404e145644" title="Check an OpenCL error number for errors.">checkSuccess</a>(clGetSupportedImageFormats(context, 0, CL_MEM_OBJECT_IMAGE3D, numberOfImageFormats, imageFormats, NULL)))</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    {</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;        cerr &lt;&lt; <span class="stringliteral">&quot;Getting the list of supported 2D image formats failed. &quot;</span> &lt;&lt; __FILE__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span>&lt;&lt; __LINE__ &lt;&lt; endl;</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    }</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    cout &lt;&lt; numberOfImageFormats &lt;&lt; <span class="stringliteral">&quot; Image formats supported&quot;</span>;</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    <span class="keywordflow">if</span> (numberOfImageFormats &gt; 0)</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    {</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;        cout &lt;&lt; <span class="stringliteral">&quot; (channel order, channel data type):&quot;</span> &lt;&lt; endl;</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    }</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    {</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;        cout &lt;&lt; <span class="stringliteral">&quot;.&quot;</span> &lt;&lt; endl;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    }</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i &lt; numberOfImageFormats; i++)</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    {</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;        cout &lt;&lt; <a class="code" href="common_8cpp.html#afbc9c225ddee8ca4913817d1d9f55307" title="Convert cl_channel_order values into their string form.">imageChannelOrderToString</a>(imageFormats[i].image_channel_order) &lt;&lt; <span class="stringliteral">&quot;, &quot;</span> &lt;&lt; <a class="code" href="common_8cpp.html#af351b63fc0df43f3702d01de76d344ae" title="Convert cl_channel_type values into their string form.">imageChannelDataTypeToString</a>(imageFormats[i].image_channel_data_type) &lt;&lt; endl;</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    }</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    <span class="keyword">delete</span>[] imageFormats;</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;}</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;</div>
<div class="line"><a name="l00096"></a><span class="lineno"><a class="code" href="common_8h.html#abf4221def5272b7188679785d807f6cb">   96</a></span>&#160;<span class="keywordtype">string</span> <a class="code" href="common_8cpp.html#afbc9c225ddee8ca4913817d1d9f55307" title="Convert cl_channel_order values into their string form.">imageChannelOrderToString</a>(cl_channel_order channelOrder)</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;{</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    <span class="keywordflow">switch</span> (channelOrder)</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    {</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;        <span class="keywordflow">case</span> CL_R:</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_R&quot;</span>;</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;        <span class="keywordflow">case</span> CL_A:</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_A&quot;</span>;</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;        <span class="keywordflow">case</span> CL_RG:</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;             <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_RG&quot;</span>;</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;        <span class="keywordflow">case</span> CL_RA:</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;             <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_RA&quot;</span>;</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;        <span class="keywordflow">case</span> CL_RGB:</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_RGB&quot;</span>;</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;        <span class="keywordflow">case</span> CL_RGBA:</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_RGBA&quot;</span>;</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;        <span class="keywordflow">case</span> CL_BGRA:</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_BGRA&quot;</span>;</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;        <span class="keywordflow">case</span> CL_ARGB:</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_ARGB&quot;</span>;</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;        <span class="keywordflow">case</span> CL_INTENSITY:</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INTENSITY&quot;</span>;</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;        <span class="keywordflow">case</span> CL_LUMINANCE:</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_LUMINANCE&quot;</span>;</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;        <span class="keywordflow">case</span> CL_Rx:</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_Rx&quot;</span>;</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;        <span class="keywordflow">case</span> CL_RGx:</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_RGx&quot;</span>;</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;        <span class="keywordflow">case</span> CL_RGBx:</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_RGBx&quot;</span>;</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;        <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;Unknown image channel order&quot;</span>;</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;    }</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;}</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;</div>
<div class="line"><a name="l00131"></a><span class="lineno"><a class="code" href="common_8h.html#a1200474d0c84aaaf23b5bf36b4d9abfd">  131</a></span>&#160;<span class="keywordtype">string</span> <a class="code" href="common_8cpp.html#af351b63fc0df43f3702d01de76d344ae" title="Convert cl_channel_type values into their string form.">imageChannelDataTypeToString</a>(cl_channel_type channelDataType)</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;{</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    <span class="keywordflow">switch</span> (channelDataType)</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;    {</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;        <span class="keywordflow">case</span> CL_SNORM_INT8:</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_SNORM_INT8&quot;</span>;</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;        <span class="keywordflow">case</span> CL_SNORM_INT16:</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_SNORM_INT16&quot;</span>;</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;        <span class="keywordflow">case</span> CL_UNORM_INT8:</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_UNORM_INT8&quot;</span>;</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;        <span class="keywordflow">case</span> CL_UNORM_INT16:</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_UNORM_INT16&quot;</span>;</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        <span class="keywordflow">case</span> CL_UNORM_SHORT_565:</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_UNORM_SHORT_565&quot;</span>;</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;        <span class="keywordflow">case</span> CL_UNORM_SHORT_555:</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_UNORM_SHORT_555&quot;</span>;</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;        <span class="keywordflow">case</span> CL_UNORM_INT_101010:</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_UNORM_INT_101010&quot;</span>;</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;        <span class="keywordflow">case</span> CL_SIGNED_INT8:</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_SIGNED_INT8&quot;</span>;</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;        <span class="keywordflow">case</span> CL_SIGNED_INT16:</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_SIGNED_INT16&quot;</span>;</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;        <span class="keywordflow">case</span> CL_SIGNED_INT32:</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_SIGNED_INT32&quot;</span>;</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;        <span class="keywordflow">case</span> CL_UNSIGNED_INT8:</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_UNSIGNED_INT8&quot;</span>;</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;        <span class="keywordflow">case</span> CL_UNSIGNED_INT16:</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_UNSIGNED_INT16&quot;</span>;</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;        <span class="keywordflow">case</span> CL_UNSIGNED_INT32:</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_UNSIGNED_INT32&quot;</span>;</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;        <span class="keywordflow">case</span> CL_HALF_FLOAT:</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_HALF_FLOAT&quot;</span>;</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;        <span class="keywordflow">case</span> CL_FLOAT:</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_FLOAT&quot;</span>;</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;        <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;Unknown image channel data type&quot;</span>;</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;    }</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;}</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;</div>
<div class="line"><a name="l00170"></a><span class="lineno"><a class="code" href="common_8h.html#acd459e74d0cef3c4616c7ce1a5a47f4d">  170</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="common_8cpp.html#acd459e74d0cef3c4616c7ce1a5a47f4d" title="Release any OpenCL objects that have been created.">cleanUpOpenCL</a>(cl_context context, cl_command_queue commandQueue, cl_program program, cl_kernel kernel, cl_mem* memoryObjects, <span class="keywordtype">int</span> numberOfMemoryObjects)</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;{</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    <span class="keywordtype">bool</span> returnValue = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;    <span class="keywordflow">if</span> (context != 0)</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;    {</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;        <span class="keywordflow">if</span> (!<a class="code" href="common_8cpp.html#a73727ed6f5d821d8c97756404e145644" title="Check an OpenCL error number for errors.">checkSuccess</a>(clReleaseContext(context)))</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;        {</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;            cerr &lt;&lt; <span class="stringliteral">&quot;Releasing the OpenCL context failed. &quot;</span> &lt;&lt; __FILE__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span>&lt;&lt; __LINE__ &lt;&lt; endl;</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;            returnValue = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;        }</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;    }</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;    <span class="keywordflow">if</span> (commandQueue != 0)</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;    {</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;        <span class="keywordflow">if</span> (!<a class="code" href="common_8cpp.html#a73727ed6f5d821d8c97756404e145644" title="Check an OpenCL error number for errors.">checkSuccess</a>(clReleaseCommandQueue(commandQueue)))</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;        {</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;            cerr &lt;&lt; <span class="stringliteral">&quot;Releasing the OpenCL command queue failed. &quot;</span> &lt;&lt; __FILE__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span>&lt;&lt; __LINE__ &lt;&lt; endl;</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;            returnValue = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;        }</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;    }</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;    <span class="keywordflow">if</span> (kernel != 0)</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;    {</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;        <span class="keywordflow">if</span> (!<a class="code" href="common_8cpp.html#a73727ed6f5d821d8c97756404e145644" title="Check an OpenCL error number for errors.">checkSuccess</a>(clReleaseKernel(kernel)))</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;        {</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;            cerr &lt;&lt; <span class="stringliteral">&quot;Releasing the OpenCL kernel failed. &quot;</span> &lt;&lt; __FILE__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span>&lt;&lt; __LINE__ &lt;&lt; endl;</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;            returnValue = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;        }</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;    }</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;    <span class="keywordflow">if</span> (program != 0)</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;    {</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;        <span class="keywordflow">if</span> (!<a class="code" href="common_8cpp.html#a73727ed6f5d821d8c97756404e145644" title="Check an OpenCL error number for errors.">checkSuccess</a>(clReleaseProgram(program)))</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;        {</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;            cerr &lt;&lt; <span class="stringliteral">&quot;Releasing the OpenCL program failed. &quot;</span> &lt;&lt; __FILE__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span>&lt;&lt; __LINE__ &lt;&lt; endl;</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;            returnValue = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;        }</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;    }</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> index = 0; index &lt; numberOfMemoryObjects; index++)</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;    {</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;        <span class="keywordflow">if</span> (memoryObjects[index] != 0)</div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;        {</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;            <span class="keywordflow">if</span> (!<a class="code" href="common_8cpp.html#a73727ed6f5d821d8c97756404e145644" title="Check an OpenCL error number for errors.">checkSuccess</a>(clReleaseMemObject(memoryObjects[index])))</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;            {</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;                cerr &lt;&lt; <span class="stringliteral">&quot;Releasing the OpenCL memory object &quot;</span> &lt;&lt; index &lt;&lt; <span class="stringliteral">&quot; failed. &quot;</span> &lt;&lt; __FILE__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span>&lt;&lt; __LINE__ &lt;&lt; endl;</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;                returnValue = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;            }</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;        }</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;    }</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;    <span class="keywordflow">return</span> returnValue;</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;}</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;</div>
<div class="line"><a name="l00224"></a><span class="lineno"><a class="code" href="common_8h.html#a6fc67d121370b02ac8bff71ec00a7665">  224</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="common_8cpp.html#a6fc67d121370b02ac8bff71ec00a7665" title="Create an OpenCL context on a GPU on the first available platform.">createContext</a>(cl_context* context)</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;{</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;    cl_int errorNumber = 0;</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;    cl_uint numberOfPlatforms = 0;</div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;    cl_platform_id firstPlatformID = 0;</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;</div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;    <span class="comment">/* Retrieve a single platform ID. */</span></div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;    <span class="keywordflow">if</span> (!<a class="code" href="common_8cpp.html#a73727ed6f5d821d8c97756404e145644" title="Check an OpenCL error number for errors.">checkSuccess</a>(clGetPlatformIDs(1, &amp;firstPlatformID, &amp;numberOfPlatforms)))</div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;    {</div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;        cerr &lt;&lt; <span class="stringliteral">&quot;Retrieving OpenCL platforms failed. &quot;</span> &lt;&lt; __FILE__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span>&lt;&lt; __LINE__ &lt;&lt; endl;</div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;    }</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;    <span class="keywordflow">if</span> (numberOfPlatforms &lt;= 0)</div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;    {</div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;        cerr &lt;&lt; <span class="stringliteral">&quot;No OpenCL platforms found. &quot;</span> &lt;&lt; __FILE__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span>&lt;&lt; __LINE__ &lt;&lt; endl;</div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;    }</div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;</div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;    <span class="comment">/* Get a context with a GPU device from the platform found above. */</span></div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;    cl_context_properties contextProperties [] = {CL_CONTEXT_PLATFORM, (cl_context_properties)firstPlatformID, 0};</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;    *context = clCreateContextFromType(contextProperties, CL_DEVICE_TYPE_GPU, NULL, NULL, &amp;errorNumber);</div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;    <span class="keywordflow">if</span> (!<a class="code" href="common_8cpp.html#a73727ed6f5d821d8c97756404e145644" title="Check an OpenCL error number for errors.">checkSuccess</a>(errorNumber))</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;    {</div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;        cerr &lt;&lt; <span class="stringliteral">&quot;Creating an OpenCL context failed. &quot;</span> &lt;&lt; __FILE__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span>&lt;&lt; __LINE__ &lt;&lt; endl;</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;    }</div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;</div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;}</div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;</div>
<div class="line"><a name="l00255"></a><span class="lineno"><a class="code" href="common_8h.html#a30ee399cc6a4b82d46c581f037b447fa">  255</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="common_8cpp.html#a30ee399cc6a4b82d46c581f037b447fa" title="Create an OpenCL command queue for a given context.">createCommandQueue</a>(cl_context context, cl_command_queue* commandQueue, cl_device_id* device)</div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;{</div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;    cl_int errorNumber = 0;</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;    cl_device_id* devices = NULL;</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;    <span class="keywordtype">size_t</span> deviceBufferSize = -1;</div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;</div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;    <span class="comment">/* Retrieve the size of the buffer needed to contain information about the devices in this OpenCL context. */</span></div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;    <span class="keywordflow">if</span> (!<a class="code" href="common_8cpp.html#a73727ed6f5d821d8c97756404e145644" title="Check an OpenCL error number for errors.">checkSuccess</a>(clGetContextInfo(context, CL_CONTEXT_DEVICES, 0, NULL, &amp;deviceBufferSize)))</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;    {</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;        cerr &lt;&lt; <span class="stringliteral">&quot;Failed to get OpenCL context information. &quot;</span> &lt;&lt; __FILE__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span>&lt;&lt; __LINE__ &lt;&lt; endl;</div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;    }</div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;</div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;    <span class="keywordflow">if</span>(deviceBufferSize == 0)</div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;    {</div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;        cerr &lt;&lt; <span class="stringliteral">&quot;No OpenCL devices found. &quot;</span> &lt;&lt; __FILE__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span>&lt;&lt; __LINE__ &lt;&lt; endl;</div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;    }</div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;    <span class="comment">/* Retrieve the list of devices available in this context. */</span></div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;    devices = <span class="keyword">new</span> cl_device_id[deviceBufferSize / <span class="keyword">sizeof</span>(cl_device_id)];</div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;    <span class="keywordflow">if</span> (!<a class="code" href="common_8cpp.html#a73727ed6f5d821d8c97756404e145644" title="Check an OpenCL error number for errors.">checkSuccess</a>(clGetContextInfo(context, CL_CONTEXT_DEVICES, deviceBufferSize, devices, NULL)))</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;    {</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;        cerr &lt;&lt; <span class="stringliteral">&quot;Failed to get the OpenCL context information. &quot;</span> &lt;&lt; __FILE__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span>&lt;&lt; __LINE__ &lt;&lt; endl;</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;        <span class="keyword">delete</span> [] devices;</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;    }</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;    <span class="comment">/* Use the first available device in this context. */</span></div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;    *device = devices[0];</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;    <span class="keyword">delete</span> [] devices;</div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;</div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;    <span class="comment">/* Set up the command queue with the selected device. */</span></div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;    *commandQueue = clCreateCommandQueue(context, *device, CL_QUEUE_PROFILING_ENABLE, &amp;errorNumber);</div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;    <span class="keywordflow">if</span> (!<a class="code" href="common_8cpp.html#a73727ed6f5d821d8c97756404e145644" title="Check an OpenCL error number for errors.">checkSuccess</a>(errorNumber))</div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;    {</div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;        cerr &lt;&lt; <span class="stringliteral">&quot;Failed to create the OpenCL command queue. &quot;</span> &lt;&lt; __FILE__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span>&lt;&lt; __LINE__ &lt;&lt; endl;</div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;    }</div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;</div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;}</div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;</div>
<div class="line"><a name="l00298"></a><span class="lineno"><a class="code" href="common_8cpp.html#a4feec45e4b990aad8e40cc3faa32a9c8">  298</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="common_8cpp.html#a4feec45e4b990aad8e40cc3faa32a9c8">createProgram</a>(cl_context context, cl_device_id device, <span class="keywordtype">string</span> filename, cl_program* program)</div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;{</div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;    cl_int errorNumber = 0;</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;    ifstream kernelFile(filename.c_str(), ios::in);</div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;</div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;    <span class="keywordflow">if</span>(!kernelFile.is_open())</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;    {</div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;        cerr &lt;&lt; <span class="stringliteral">&quot;Unable to open &quot;</span> &lt;&lt; filename &lt;&lt; <span class="stringliteral">&quot;. &quot;</span> &lt;&lt; __FILE__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span>&lt;&lt; __LINE__ &lt;&lt; endl;</div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;    }</div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;</div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;<span class="comment">     * Read the kernel file into an output stream.</span></div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;<span class="comment">     * Convert this into a char array for passing to OpenCL.</span></div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;    ostringstream outputStringStream;</div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;    outputStringStream &lt;&lt; kernelFile.rdbuf();</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;    <span class="keywordtype">string</span> srcStdStr = outputStringStream.str();</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">char</span>* charSource = srcStdStr.c_str();</div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;</div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;    *program = clCreateProgramWithSource(context, 1, &amp;charSource, NULL, &amp;errorNumber);</div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;    <span class="keywordflow">if</span> (!<a class="code" href="common_8cpp.html#a73727ed6f5d821d8c97756404e145644" title="Check an OpenCL error number for errors.">checkSuccess</a>(errorNumber) || program == NULL)</div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;    {</div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;        cerr &lt;&lt; <span class="stringliteral">&quot;Failed to create OpenCL program. &quot;</span> &lt;&lt; __FILE__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span>&lt;&lt; __LINE__ &lt;&lt; endl;</div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;    }</div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;</div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;    <span class="comment">/* Try to build the OpenCL program. */</span></div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;    <span class="keywordtype">bool</span> buildSuccess = <a class="code" href="common_8cpp.html#a73727ed6f5d821d8c97756404e145644" title="Check an OpenCL error number for errors.">checkSuccess</a>(clBuildProgram(*program, 0, NULL, NULL, NULL, NULL));</div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;</div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;    <span class="comment">/* Get the size of the build log. */</span></div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;    <span class="keywordtype">size_t</span> logSize = 0;</div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;    clGetProgramBuildInfo(*program, device, CL_PROGRAM_BUILD_LOG, 0, NULL, &amp;logSize);</div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;</div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;<span class="comment">     * If the build succeeds with no log, an empty string is returned (logSize = 1),</span></div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;<span class="comment">     * we only want to print the message if it has some content (logSize &gt; 1).</span></div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;    <span class="keywordflow">if</span> (logSize &gt; 1)</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;    {</div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;        <span class="keywordtype">char</span>* log = <span class="keyword">new</span> <span class="keywordtype">char</span>[logSize];</div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;        clGetProgramBuildInfo(*program, device, CL_PROGRAM_BUILD_LOG, logSize, log, NULL);</div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;</div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;        <span class="keywordtype">string</span>* stringChars = <span class="keyword">new</span> string(log, logSize);</div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;        cerr &lt;&lt; <span class="stringliteral">&quot;Build log:\n &quot;</span> &lt;&lt; *stringChars &lt;&lt; endl;</div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;</div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;        <span class="keyword">delete</span>[] log;</div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;        <span class="keyword">delete</span> stringChars;</div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;    }</div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;</div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;    <span class="keywordflow">if</span> (!buildSuccess)</div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;    {</div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;        clReleaseProgram(*program);</div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;        cerr &lt;&lt; <span class="stringliteral">&quot;Failed to build OpenCL program. &quot;</span> &lt;&lt; __FILE__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span>&lt;&lt; __LINE__ &lt;&lt; endl;</div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;    }</div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;</div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;}</div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;</div>
<div class="line"><a name="l00358"></a><span class="lineno"><a class="code" href="common_8h.html#a73727ed6f5d821d8c97756404e145644">  358</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="common_8cpp.html#a73727ed6f5d821d8c97756404e145644" title="Check an OpenCL error number for errors.">checkSuccess</a>(cl_int errorNumber)</div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;{</div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;    <span class="keywordflow">if</span> (errorNumber != CL_SUCCESS)</div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;    {</div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;        cerr &lt;&lt; <span class="stringliteral">&quot;OpenCL error: &quot;</span> &lt;&lt; <a class="code" href="common_8cpp.html#a119c92d8d25b68950de4d0e6f337df18" title="Convert OpenCL error numbers to their string form.">errorNumberToString</a>(errorNumber) &lt;&lt; endl;</div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;    }</div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;}</div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;</div>
<div class="line"><a name="l00368"></a><span class="lineno"><a class="code" href="common_8h.html#a8ce6fa1f13405092e05b3a1b464b1f77">  368</a></span>&#160;<span class="keywordtype">string</span> <a class="code" href="common_8cpp.html#a119c92d8d25b68950de4d0e6f337df18" title="Convert OpenCL error numbers to their string form.">errorNumberToString</a>(cl_int errorNumber)</div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;{</div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;    <span class="keywordflow">switch</span> (errorNumber)</div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;    {</div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;        <span class="keywordflow">case</span> CL_SUCCESS:</div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_SUCCESS&quot;</span>;</div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;        <span class="keywordflow">case</span> CL_DEVICE_NOT_FOUND:</div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_DEVICE_NOT_FOUND&quot;</span>;</div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;        <span class="keywordflow">case</span> CL_DEVICE_NOT_AVAILABLE:</div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_DEVICE_NOT_AVAILABLE&quot;</span>;</div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;        <span class="keywordflow">case</span> CL_COMPILER_NOT_AVAILABLE:</div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_COMPILER_NOT_AVAILABLE&quot;</span>;</div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;        <span class="keywordflow">case</span> CL_MEM_OBJECT_ALLOCATION_FAILURE:</div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_MEM_OBJECT_ALLOCATION_FAILURE&quot;</span>;</div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;        <span class="keywordflow">case</span> CL_OUT_OF_RESOURCES:</div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_OUT_OF_RESOURCES&quot;</span>;</div>
<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;        <span class="keywordflow">case</span> CL_OUT_OF_HOST_MEMORY:</div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_OUT_OF_HOST_MEMORY&quot;</span>;</div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;        <span class="keywordflow">case</span> CL_PROFILING_INFO_NOT_AVAILABLE:</div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_PROFILING_INFO_NOT_AVAILABLE&quot;</span>;</div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;        <span class="keywordflow">case</span> CL_MEM_COPY_OVERLAP:</div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_MEM_COPY_OVERLAP&quot;</span>;</div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;        <span class="keywordflow">case</span> CL_IMAGE_FORMAT_MISMATCH:</div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_IMAGE_FORMAT_MISMATCH&quot;</span>;</div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;        <span class="keywordflow">case</span> CL_IMAGE_FORMAT_NOT_SUPPORTED:</div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_IMAGE_FORMAT_NOT_SUPPORTED&quot;</span>;</div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;        <span class="keywordflow">case</span> CL_BUILD_PROGRAM_FAILURE:</div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_BUILD_PROGRAM_FAILURE&quot;</span>;</div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;        <span class="keywordflow">case</span> CL_MAP_FAILURE:</div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_MAP_FAILURE&quot;</span>;</div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;        <span class="keywordflow">case</span> CL_EXEC_STATUS_ERROR_FOR_EVENTS_IN_WAIT_LIST:</div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_EXEC_STATUS_ERROR_FOR_EVENTS_IN_WAIT_LIST&quot;</span>;</div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_VALUE:</div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_VALUE&quot;</span>;</div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_DEVICE_TYPE:</div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_DEVICE_TYPE&quot;</span>;</div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_PLATFORM:</div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_PLATFORM&quot;</span>;</div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_DEVICE:</div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_DEVICE&quot;</span>;</div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_CONTEXT:</div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_CONTEXT&quot;</span>;</div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_QUEUE_PROPERTIES:</div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_QUEUE_PROPERTIES&quot;</span>;</div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_COMMAND_QUEUE:</div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_COMMAND_QUEUE&quot;</span>;</div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_HOST_PTR:</div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_HOST_PTR&quot;</span>;</div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_MEM_OBJECT:</div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_MEM_OBJECT&quot;</span>;</div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_IMAGE_FORMAT_DESCRIPTOR:</div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_IMAGE_FORMAT_DESCRIPTOR&quot;</span>;</div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_IMAGE_SIZE:</div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_IMAGE_SIZE&quot;</span>;</div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_SAMPLER:</div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_SAMPLER&quot;</span>;</div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_BINARY:</div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_BINARY&quot;</span>;</div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_BUILD_OPTIONS:</div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_BUILD_OPTIONS&quot;</span>;</div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_PROGRAM:</div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_PROGRAM&quot;</span>;</div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_PROGRAM_EXECUTABLE:</div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_PROGRAM_EXECUTABLE&quot;</span>;</div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_KERNEL_NAME:</div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_KERNEL_NAME&quot;</span>;</div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_KERNEL_DEFINITION:</div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_KERNEL_DEFINITION&quot;</span>;</div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_KERNEL:</div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_KERNEL&quot;</span>;</div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_ARG_INDEX:</div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_ARG_INDEX&quot;</span>;</div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_ARG_VALUE:</div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_ARG_VALUE&quot;</span>;</div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_ARG_SIZE:</div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_ARG_SIZE&quot;</span>;</div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_KERNEL_ARGS:</div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_KERNEL_ARGS&quot;</span>;</div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_WORK_DIMENSION:</div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_WORK_DIMENSION&quot;</span>;</div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_WORK_GROUP_SIZE:</div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_WORK_GROUP_SIZE&quot;</span>;</div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_WORK_ITEM_SIZE:</div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_WORK_ITEM_SIZE&quot;</span>;</div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_GLOBAL_OFFSET:</div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_GLOBAL_OFFSET&quot;</span>;</div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_EVENT_WAIT_LIST:</div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_EVENT_WAIT_LIST&quot;</span>;</div>
<div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_EVENT:</div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_EVENT&quot;</span>;</div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_OPERATION:</div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_OPERATION&quot;</span>;</div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_GL_OBJECT:</div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_GL_OBJECT&quot;</span>;</div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_BUFFER_SIZE:</div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_BUFFER_SIZE&quot;</span>;</div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;        <span class="keywordflow">case</span> CL_INVALID_MIP_LEVEL:</div>
<div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;CL_INVALID_MIP_LEVEL&quot;</span>;</div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;        <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;            <span class="keywordflow">return</span> <span class="stringliteral">&quot;Unknown error&quot;</span>;</div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;    }</div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;}</div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;</div>
<div class="line"><a name="l00471"></a><span class="lineno"><a class="code" href="common_8cpp.html#ad800ae2b2358904a9051a31f76e711c3">  471</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="common_8cpp.html#ad800ae2b2358904a9051a31f76e711c3">isExtensionSupported</a>(cl_device_id device, <span class="keywordtype">string</span> extension)</div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;{</div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;    <span class="keywordflow">if</span> (extension.empty())</div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;    {</div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;    }</div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;</div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;    <span class="comment">/* First find out how large the ouput of the OpenCL device query will be. */</span></div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;    <span class="keywordtype">size_t</span> extensionsReturnSize = 0;</div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;    <span class="keywordflow">if</span> (!<a class="code" href="common_8cpp.html#a73727ed6f5d821d8c97756404e145644" title="Check an OpenCL error number for errors.">checkSuccess</a>(clGetDeviceInfo(device, CL_DEVICE_EXTENSIONS, 0, NULL, &amp;extensionsReturnSize)))</div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;    {</div>
<div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;        cerr &lt;&lt; <span class="stringliteral">&quot;Failed to get return size from clGetDeviceInfo for parameter CL_DEVICE_EXTENSIONS. &quot;</span> &lt;&lt; __FILE__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span>&lt;&lt; __LINE__ &lt;&lt; endl;</div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;    }</div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;</div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;    <span class="comment">/* Allocate enough memory for the output. */</span></div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;    <span class="keywordtype">char</span>* extensions = <span class="keyword">new</span> <span class="keywordtype">char</span>[extensionsReturnSize];</div>
<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;</div>
<div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;    <span class="comment">/* Get the list of all extensions supported. */</span></div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;    <span class="keywordflow">if</span> (!<a class="code" href="common_8cpp.html#a73727ed6f5d821d8c97756404e145644" title="Check an OpenCL error number for errors.">checkSuccess</a>(clGetDeviceInfo(device, CL_DEVICE_EXTENSIONS, extensionsReturnSize, extensions, NULL)))</div>
<div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;    {</div>
<div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;        cerr &lt;&lt; <span class="stringliteral">&quot;Failed to get data from clGetDeviceInfo for parameter CL_DEVICE_EXTENSIONS. &quot;</span> &lt;&lt; __FILE__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span>&lt;&lt; __LINE__ &lt;&lt; endl;</div>
<div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;        <span class="keyword">delete</span> [] extensions;</div>
<div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;    }</div>
<div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;</div>
<div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;    <span class="comment">/* See if the requested extension is in the list. */</span></div>
<div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;    <span class="keywordtype">string</span>* extensionsString = <span class="keyword">new</span> string(extensions);</div>
<div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;    <span class="keywordtype">bool</span> returnResult = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;    <span class="keywordflow">if</span> (extensionsString-&gt;find(extension) != string::npos)</div>
<div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;    {</div>
<div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;        returnResult = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;    }</div>
<div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;</div>
<div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;    <span class="keyword">delete</span> [] extensions;</div>
<div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;    <span class="keyword">delete</span> extensionsString;</div>
<div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;</div>
<div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;    <span class="keywordflow">return</span> returnResult;</div>
<div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;}</div>
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